Home / 5,419.01-7,478.82-3,060.96

Finding the Fourth Proportional to 5,419.01, 7,478.82 and 3,060.96

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Solution

The fourth proportional to 5,419.01, 7,478.82 and 3,060.96 is: 4,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.01 : 7,478.82 = 3,060.96 : x
  2. Step 2: Convert to fraction form
    5,419.01/7,478.82 = 3,060.96/x
  3. Step 3: Cross multiply
    5,419.01x = 7,478.82 × 3,060.96
  4. Step 4: Simplify right side
    5,419.01x = 22,892,368.87
  5. Step 5: Solve for x
    x = 22,892,368.87/5,419.01
  6. Step 6: Final answer
    x = 4,224.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.